PPRuNe Forums - View Single Post - Refuelling Cut off Valve
View Single Post
Old 17th Dec 2019, 13:08
  #2 (permalink)  
Dave Therhino
 
Join Date: Jan 2013
Location: Seattle Area
Posts: 263
Likes: 0
Received 0 Likes on 0 Posts
Any airplane with a pressure fueling system is going to have a volume based cutoff at the maximum allowed fuel volume for each tank (leaving the required expansion space). This feature is required by FAR/CS 25.979(b). On some airplanes it's float switch driven, and on others it's capacitive probe driven. Boeing uses the term volumetric top off, or VTO, for their feature in their literature. I don't know if Airbus uses the same name.
Dave Therhino is offline